// submit a regitrations to get accepted
  function checkForm() {
Utilisateur = document.getElementById("Utilisateur").value;
pass = document.getElementById("pass").value;
contact = document.getElementById("contact").value;
email = document.getElementById("email").value;

tel = document.getElementById("tel").value;

  
  if (Utilisateur == "") {
  hideAllErrors();
document.getElementById("UtilisateurError").style.display = "inline";
document.getElementById("Utilisateur").select();
document.getElementById("Utilisateur").focus();
  return false;
      } else if (pass == "") {
hideAllErrors();
document.getElementById("passError").style.display = "inline";
document.getElementById("pass").select();
document.getElementById("pass").focus();
  return false;
    }
	else if (contact== "") {
hideAllErrors();
document.getElementById("contactError").style.display = "inline";
document.getElementById("contact").select();
document.getElementById("contact").focus();
  return false;
    }
else if (email == "") {
hideAllErrors();
document.getElementById("emailError").style.display = "inline";
document.getElementById("email").select();
  return false;
  } else if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
hideAllErrors();
document.getElementById("emailError").style.display = "inline";
document.getElementById("email").select();
  return false;
  } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
hideAllErrors();
document.getElementById("emailError").style.display = "inline";
document.getElementById("email").select();
  return false;  
  } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
hideAllErrors();
document.getElementById("emailError").style.display = "inline";
document.getElementById("email").select();
  return false;  
  } else if (email.indexOf("..") >=0) { // two periods in a row is not valid
hideAllErrors();
document.getElementById("emailError").style.display = "inline";
document.getElementById("email").select();
  return false; 
  } else if (email.indexOf(".") == email.length) {  // . must not be the last character
hideAllErrors();
document.getElementById("emailError").style.display = "inline";
document.getElementById("email").select();
  return false; 
  
  
    }
else if (tel== "") {
hideAllErrors();
document.getElementById("telError").style.display = "inline";
document.getElementById("tel").select();
document.getElementById("tel").focus();
  return false;
    }
  return true;
  }
 
  function hideAllErrors() {
document.getElementById("UtilisateurError").style.display = "none"
document.getElementById("passError").style.display = "none"
document.getElementById("contactError").style.display = "none"
document.getElementById("emailError").style.display = "none"
document.getElementById("telError").style.display = "none"

  }
  //-->
  <!-- Popups
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
function isNumberKey(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57))
            return false;

         return true;

      }
//-->